David B. Rosen, D.M.D.- Practice Limited to Periodontics & Dental Implants
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David B. Rosen, D.M.D.- Practice Limited to Periodontics & Dental Implants
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Snoring and Obstructive Sleep Apnea
Snoring While snoring itself may be harmless, it can also develop into, or be a symptom of, a more serious medical condition known as obstructive sleep apnea (OSA). What Causes Snoring? Snoring is caused by a narrow airway. That's
because air travels faster through a slender tube than through a broad one. This
rapidly moving air causes the soft tissues of the throat (the tonsils, soft
palate, and uvula) to vibrate. It is this vibration which is the sound of
snoring. It's like putting a flag in front of a fan: the faster the fan, the
greater the flutter. Why is the airway narrow in snorers? Many things can take
up space in the airway reducing its diameter. These can include large tonsils, a
long soft palate or uvula, and, in people who are overweight, excessively flabby
tissue. The most common cause of a narrowed airway is a tongue that relaxes too
much during sleep and gets sucked back into the airway with each breath taken. What is Obstructive Sleep Apnea? When the tongue is sucked completely against the back of the throat, the airway is blocked and breathing stops. Once that happens, the harder the sleeper tries to breathe, the tighter the airway seal becomes. It's like trying to drink through a straw that's stuck in a lump of ice cream. The harder you suck, the flatter the straw becomes. The airway obstruction won't clear until the brain's oxygen level falls low enough to partially awaken the sleeper. The tongue then returns to a more normal position, and the airway seal is broken - usually with a loud gasp. What is a Dental Appliance? A dental appliance is a small plastic device, similar to an orthodontic retainer or an athletic mouthguard. It is worn in the mouth during sleep to prevent the soft throat tissues from collapsing and obstructing the airway. Dentists with training in dental appliance therapy can design, construct, and fit these special appliances to meet their patients' individual situations and conditions. In recent clinical studies, physicians and dentists have found that, in a majority of patients, a well-made, well-fitted dental appliance will effectively reduce or eliminate snoring, and significantly relieve symptoms of mild and moderate OSA. Dental appliances work in three ways: by bring the lower jaw forward, by holding the tongue forward, and by lifting a drooping soft palate. A combination appliance may perform two or more of these functions at the same time. Dental appliance therapy is not a new idea. It was in use as far back as the early 1900's. But it was not until the 1980's that physicians and dentists began to work together to study and develop this alternative form of treatment, enabling more patients to benefit from it.
Advantages of Dental Appliance Therapy Dental appliance therapy offers many advantages:
What the Dentist Can Do On your first visit, the dentist will thoroughly examine your teeth and mouth, with the aid of X-rays and dental molds. You may then be fitted with an appliance, which you will take home and try out for a week. Over succeeding weeks, if necessary, you may try out other types of dental appliances. Finally, your dentist will design and fit your custom-made appliance. Your dentist will show you how to place the appliance in your mouth and how to care for it when you are not using it. Once you have been using the appliance regularly, during sleeping hours, for two or three months, the dentist will refer you back to your physician or sleep specialist to determine how effectively the appliance is controlling your snoring and OSA. You will continue to visit the dentist at regular intervals, and he or she will work with you to modify and maintain your dental appliance to that it remains effective.
More information: See our website at Dental Sleep Medicine of New England
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